[ 39.266724] ------------[ cut here ]------------ [ 39.267644] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.269659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.271273] Modules linked in: [ 39.271957] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.273854] Tainted: [W]=WARN [ 39.274381] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.275806] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.276695] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.279748] RSP: 0018:ffff88801563fbc0 EFLAGS: 00010286 [ 39.280682] RAX: 0000000000000000 RBX: ffffed1002ac7f78 RCX: ffffffff813a4050 [ 39.281929] RDX: ffff88801b053780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.283145] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ac7f2f [ 39.284395] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.285646] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801563fdf8 [ 39.286882] FS: 00007ffa1b1af900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.288264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.289268] CR2: 00007ffe0f3b3ef7 CR3: 000000000b70e000 CR4: 0000000000350ef0 [ 39.290477] Call Trace: [ 39.290945] [ 39.291351] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.292208] ? __create_object+0x59/0x80 [ 39.292959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.293922] __vmalloc_noprof+0x59/0x60 [ 39.294695] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.295571] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.296468] bpf_prog_alloc+0x39/0x200 [ 39.297209] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.298157] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.299067] do_seccomp+0x349/0x25e0 [ 39.299813] ? find_held_lock+0x2b/0x80 [ 39.300571] ? do_prlimit+0x310/0x610 [ 39.301288] ? __pfx_do_seccomp+0x10/0x10 [ 39.302074] ? do_raw_spin_unlock+0x53/0x220 [ 39.302906] ? _raw_spin_unlock+0x1e/0x40 [ 39.303705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.304679] ? static_key_count+0x60/0x80 [ 39.305441] prctl_set_seccomp+0x4e/0x70 [ 39.306203] __do_sys_prctl+0xe6c/0x1d70 [ 39.307002] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.307883] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.308860] ? irqentry_exit+0xf3/0x650 [ 39.309626] do_syscall_64+0xbf/0x430 [ 39.310334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.311291] RIP: 0033:0x7ffa1b6a15cd [ 39.311990] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.315184] RSP: 002b:00007ffe0f3b2810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.316559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa1b6a15cd [ 39.317859] RDX: 00005601ddb94e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.319131] RBP: 00007ffe0f3b2870 R08: 0000000000000000 R09: 00007ffe0f3b1f10 [ 39.320446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560203376b10 [ 39.321741] R13: 00007ffe0f3b2ca0 R14: 00005602033772b0 R15: 000056020338b6f0 [ 39.323047] [ 39.323482] irq event stamp: 1935 [ 39.324021] hardirqs last enabled at (1945): [] __up_console_sem+0x78/0x80 [ 39.325285] hardirqs last disabled at (1954): [] __up_console_sem+0x5d/0x80 [ 39.326558] softirqs last enabled at (1548): [] handle_softirqs+0x50c/0x770 [ 39.327859] softirqs last disabled at (1543): [] __irq_exit_rcu+0xc4/0x100 [ 39.329112] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.647075] ------------[ cut here ]------------ [ 41.648039] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.650605] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.652066] Modules linked in: [ 41.652702] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.654701] Tainted: [W]=WARN [ 41.655267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.656739] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.657648] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.660839] RSP: 0018:ffff88801b2a7bc0 EFLAGS: 00010286 [ 41.661830] RAX: 0000000000000000 RBX: ffffed1003654f78 RCX: ffffffff813a4050 [ 41.663121] RDX: ffff888017b13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.664423] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003654f2f [ 41.665714] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.667027] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b2a7df8 [ 41.668327] FS: 00007f70a0ddf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.669778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.670846] CR2: 00007ffd7bacbef7 CR3: 000000001f98d000 CR4: 0000000000350ef0 [ 41.672143] Call Trace: [ 41.672656] [ 41.673076] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.673974] ? __create_object+0x59/0x80 [ 41.674772] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.675763] __vmalloc_noprof+0x59/0x60 [ 41.676486] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.677368] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.678286] bpf_prog_alloc+0x39/0x200 [ 41.679027] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.679971] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.680883] do_seccomp+0x349/0x25e0 [ 41.681610] ? find_held_lock+0x2b/0x80 [ 41.682336] ? do_prlimit+0x310/0x610 [ 41.683084] ? __pfx_do_seccomp+0x10/0x10 [ 41.683885] ? do_raw_spin_unlock+0x53/0x220 [ 41.684727] ? _raw_spin_unlock+0x1e/0x40 [ 41.685462] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.686438] ? static_key_count+0x60/0x80 [ 41.687382] prctl_set_seccomp+0x4e/0x70 [ 41.688328] __do_sys_prctl+0xe6c/0x1d70 [ 41.689157] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.690049] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.691047] ? irqentry_exit+0xf3/0x650 [ 41.691865] do_syscall_64+0xbf/0x430 [ 41.692625] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.693611] RIP: 0033:0x7f70a12d15cd [ 41.694299] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 41.697599] RSP: 002b:00007ffd7bacaaf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.699028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70a12d15cd [ 41.700347] RDX: 000055f2d28dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.701647] RBP: 00007ffd7bacab50 R08: 0000000000000000 R09: 00007ffd7baca1f0 [ 41.702941] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f307f84ad0 [ 41.704266] R13: 00007ffd7bacaf80 R14: 000055f307f85bc0 R15: 000055f307f96780 [ 41.705591] [ 41.706019] irq event stamp: 1717 [ 41.706671] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 41.708216] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 41.709739] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 41.711308] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 41.712544] ---[ end trace 0000000000000000 ]--- [ 42.299355] ------------[ cut here ]------------ [ 42.300402] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.302696] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.304277] Modules linked in: [ 42.304983] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.307432] Tainted: [W]=WARN [ 42.308157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.309774] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.310770] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.314278] RSP: 0018:ffff888016d8fbc0 EFLAGS: 00010286 [ 42.315334] RAX: 0000000000000000 RBX: ffffed1002db1f78 RCX: ffffffff813a4050 [ 42.316725] RDX: ffff888017298000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.318132] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db1f2f [ 42.319557] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.320957] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d8fdf8 [ 42.322358] FS: 00007f7e2529d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.323949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.325102] CR2: 00007ffec158bef7 CR3: 000000000d2d7000 CR4: 0000000000350ef0 [ 42.326503] Call Trace: [ 42.327036] [ 42.327490] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.328471] ? __create_object+0x59/0x80 [ 42.329324] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.330388] __vmalloc_noprof+0x59/0x60 [ 42.331240] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.332196] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.333224] bpf_prog_alloc+0x39/0x200 [ 42.334035] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.335064] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.336074] do_seccomp+0x349/0x25e0 [ 42.336868] ? find_held_lock+0x2b/0x80 [ 42.337704] ? do_prlimit+0x310/0x610 [ 42.338468] ? __pfx_do_seccomp+0x10/0x10 [ 42.339351] ? do_raw_spin_unlock+0x53/0x220 [ 42.340281] ? _raw_spin_unlock+0x1e/0x40 [ 42.341152] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.342227] ? static_key_count+0x60/0x80 [ 42.343111] prctl_set_seccomp+0x4e/0x70 [ 42.343979] __do_sys_prctl+0xe6c/0x1d70 [ 42.344848] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.345801] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.346872] ? irqentry_exit+0xf3/0x650 [ 42.347751] do_syscall_64+0xbf/0x430 [ 42.348602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.349659] RIP: 0033:0x7f7e2578f5cd [ 42.350393] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.353523] RSP: 002b:00007ffec15896e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.354725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e2578f5cd [ 42.355845] RDX: 00005583303b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.357014] RBP: 00007ffec1589740 R08: 0000000000000000 R09: 00007ffec1588de0 [ 42.358124] R10: 0000000000000000 R11: 0000000000000246 R12: 000055835587b2b0 [ 42.359242] R13: 00007ffec1589b70 R14: 000055835587dd20 R15: 000055835588f8d0 [ 42.360383] [ 42.360791] irq event stamp: 1819 [ 42.361320] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 42.362659] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 42.363989] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 42.365317] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 42.366628] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16675' (ECDSA) to the list of known hosts. 2025/11/17 10:41:00 fuzzer started 2025/11/17 10:41:00 dialing manager at localhost:37895 2025/11/17 10:41:00 checking machine... 2025/11/17 10:41:00 checking revisions... [ 43.113137] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:41:00 testing simple program... [ 43.178592] cgroup: Unknown subsys name 'net' [ 43.213213] cgroup: Unknown subsys name 'cpuset' [ 43.221823] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.183051] audit: type=1400 audit(1763376069.597:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 10:40:59 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81618fa0 RCX=ffff8880163c77bc RDX=1ffff11002c78f18 RSI=ffffffff81b2a0b4 RDI=ffff8880163c7930 RBP=ffff8880163c7900 RSP=ffff8880163c7858 R8 =ffffffff86a49c3a R9 =ffff8880163c78a8 R10=000000000003c9ed R11=0000000000012f69 R12=ffff8880163c7930 R13=0000000000000000 R14=ffff888017b15340 R15=0000000000092800 RIP=ffffffff81618faf RFL=00000286 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f70a0ddf900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f70a0da4008 CR3=000000000debe000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=30343a303120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383139 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001ca8d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f78d91b65b8 CR3=000000000de52000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=02080fb8ab92d693214be5494617e0d1 XMM02=00000000003021e8eff9b2d0a8fce9cb XMM03=00000000003022b82c67c8bc2e329bc3 XMM04=f8a88d77acd47e8000000000000ae988 XMM05=090f1556b20111b3000000000031ea80 XMM06=5b75c91c80445342000000000031e908 XMM07=e042d86d42eb936e000000000030e3b0 XMM08=03e08468a1e71f9f00000000003022b8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000